Analysis

  • max time kernel
    183s
  • max time network
    198s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    15-02-2022 12:15

General

  • Target

    7613ec5bb6665d718ef4c035ec781bdb27df736c4aca0f418dff8a2f6164fa16.exe

  • Size

    3.5MB

  • MD5

    347d8e2d19eef7fef12b7a74ff3fbec1

  • SHA1

    e166c493d6435819356615bcbef8d18438fcc047

  • SHA256

    7613ec5bb6665d718ef4c035ec781bdb27df736c4aca0f418dff8a2f6164fa16

  • SHA512

    06903266eb8cf9cc175ea2ca1a5361b517fef9a93a8eeb8ad9291bc721c977e6219b793919e0f23defc84179998ffa05965cb2c20423367013f37fa0d9e4e2dd

Malware Config

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Themida packer 1 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 49 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7613ec5bb6665d718ef4c035ec781bdb27df736c4aca0f418dff8a2f6164fa16.exe
    "C:\Users\Admin\AppData\Local\Temp\7613ec5bb6665d718ef4c035ec781bdb27df736c4aca0f418dff8a2f6164fa16.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:3344
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3316
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:3348
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:2708

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3344-130-0x0000000076D70000-0x0000000076D71000-memory.dmp
    Filesize

    4KB

  • memory/3344-133-0x0000000077C54000-0x0000000077C56000-memory.dmp
    Filesize

    8KB

  • memory/3344-134-0x00000000751EE000-0x00000000751EF000-memory.dmp
    Filesize

    4KB

  • memory/3344-135-0x00000000004A0000-0x0000000000D0E000-memory.dmp
    Filesize

    8.4MB

  • memory/3344-136-0x00000000061B0000-0x00000000067C8000-memory.dmp
    Filesize

    6.1MB

  • memory/3344-137-0x0000000005BB0000-0x0000000005BC2000-memory.dmp
    Filesize

    72KB

  • memory/3344-138-0x0000000005CE0000-0x0000000005DEA000-memory.dmp
    Filesize

    1.0MB

  • memory/3344-139-0x0000000005B80000-0x0000000005B81000-memory.dmp
    Filesize

    4KB

  • memory/3344-140-0x0000000001680000-0x00000000016BC000-memory.dmp
    Filesize

    240KB